Rank	Countries/Territories	Count	Percent
1	United States	573	44.1%
2	China	342	26.3%
3	Germany	95	7.3%
4	India	50	3.8%
5	Singapore	39	3%
6	Canada	28	2.2%
7	Japan	26	2%
8	Netherlands	22	1.7%
9	France	17	1.3%
10	United Kingdom	16	1.2%
11	Cyprus	8	0.6%
12	Russia	8	0.6%
13	South Africa	7	0.5%
14	Senegal	7	0.5%
15	Hong Kong	7	0.5%
16	Italy	6	0.5%
17	Thailand	6	0.5%
18	Indonesia	5	0.4%
19	Ireland	5	0.4%
20	Iran, Islamic Republic of	3	0.2%
21	Australia	3	0.2%
22	Austria	3	0.2%
23	Mongolia	3	0.2%
24	Morocco	2	0.2%
25	Korea, Republic of	2	0.2%
26	Saudi Arabia	2	0.2%
27	Turkey	2	0.2%
28	Argentina	2	0.2%
29	Czech Republic	2	0.2%
30	Israel	2	0.2%
31	Greece	2	0.2%
32	Finland	1	0.1%
33	Viet Nam	1	0.1%
34	Taiwan	1	0.1%
35	Norway	1	0.1%
36	Latvia	1	0.1%